Add a CQ tester (which will start as experimental) with N5's on L.

scripts/slave/recipes/android/tester.expected/tryserver_chromium_linux_android_n5_rel_tests_recipe.json

Index: scripts/slave/recipes/android/tester.expected/tryserver_chromium_linux_android_n5_rel_tests_recipe.json
diff --git a/scripts/slave/recipes/android/tester.expected/tryserver_chromium_linux_android_rel_tests_recipe.json b/scripts/slave/recipes/android/tester.expected/tryserver_chromium_linux_android_n5_rel_tests_recipe.json
similarity index 99%
copy from scripts/slave/recipes/android/tester.expected/tryserver_chromium_linux_android_rel_tests_recipe.json
copy to scripts/slave/recipes/android/tester.expected/tryserver_chromium_linux_android_n5_rel_tests_recipe.json
index 472e82c620053ea0c544515fb4807440d8b030bf..48fa181d617d5225fe9b6502ebf60e07a9fc153b 100644
--- a/scripts/slave/recipes/android/tester.expected/tryserver_chromium_linux_android_rel_tests_recipe.json
+++ b/scripts/slave/recipes/android/tester.expected/tryserver_chromium_linux_android_n5_rel_tests_recipe.json
@@ -7,7 +7,7 @@
       "--master",
       "tryserver.chromium.linux",
       "--builder",
-      "android_rel_tests_recipe",
+      "android_n5_rel_tests_recipe",
       "--slave",
       "slavename",
       "--spec",
@@ -425,11 +425,11 @@
       "--",
       "cp",
       "[SLAVE_BUILD]/src/out/Release/full_log",
-      "gs://chromium-android/logcat_dumps/android_rel_tests_recipe/1337"
+      "gs://chromium-android/logcat_dumps/android_n5_rel_tests_recipe/1337"
     ],
     "name": "gsutil upload",
     "~followup_annotations": [
-      "@@@STEP_LINK@logcat dump@https://storage.cloud.google.com/chromium-android/logcat_dumps/android_rel_tests_recipe/1337@@@"
+      "@@@STEP_LINK@logcat dump@https://storage.cloud.google.com/chromium-android/logcat_dumps/android_n5_rel_tests_recipe/1337@@@"
     ]
   },
   {